erect

Definition

In entomology, this refers to the position or orientation of an insect's body part, typically hairs or setae, standing upright or perpendicular to the body surface.

Etymology

From Latin 'erectus', past participle of 'erigere', meaning 'to set up' or 'raise'.

Example

The erect setae on the caterpillar help to deter predators by making it less palatable.

Synonyms

• upright
• perpendicular

Related Terms

• setae
• spines
• bristles

Usage Notes

Typically used to describe the posture or orientation of anatomical structures in insects and arachnids.